./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:20,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:20,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:26:20,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:20,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:20,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:20,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:20,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:20,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:20,640 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:20,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:20,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:20,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:20,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:20,645 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:20,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:20,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:20,646 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:20,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:20,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:20,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:20,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:20,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:20,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:20,650 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:20,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:20,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:20,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:20,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:20,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:20,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:20,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:20,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:20,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:20,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:20,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:20,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:20,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:20,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:20,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:20,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:20,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:20,657 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2023-11-21 22:26:20,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:21,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:21,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:21,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:21,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:21,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2023-11-21 22:26:24,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:24,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:24,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2023-11-21 22:26:24,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data/3fd2bfebe/544a67628f56414d80ae3a5fdedc8df3/FLAG83457bcf1 [2023-11-21 22:26:24,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data/3fd2bfebe/544a67628f56414d80ae3a5fdedc8df3 [2023-11-21 22:26:24,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:24,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:24,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:24,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:24,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:24,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:24" (1/1) ... [2023-11-21 22:26:24,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fbc50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:24, skipping insertion in model container [2023-11-21 22:26:24,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:24" (1/1) ... [2023-11-21 22:26:24,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:25,002 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2205) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$62(StandardFunctionHandler.java:434) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 22:26:25,008 INFO L158 Benchmark]: Toolchain (without parser) took 343.22ms. Allocated memory is still 159.4MB. Free memory was 116.4MB in the beginning and 104.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:26:25,009 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:25,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.56ms. Allocated memory is still 159.4MB. Free memory was 116.4MB in the beginning and 104.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:26:25,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.56ms. Allocated memory is still 159.4MB. Free memory was 116.4MB in the beginning and 104.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:27,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:27,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:26:27,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:27,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:28,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:28,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:28,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:28,050 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:28,056 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:28,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:28,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:28,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:28,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:28,061 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:28,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:28,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:28,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:28,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:28,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:28,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:28,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:28,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:28,067 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:26:28,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:26:28,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:26:28,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:28,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:28,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:28,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:28,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:28,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:28,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:28,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:28,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:28,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:28,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:28,076 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:26:28,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:26:28,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:28,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:28,080 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:28,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:28,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:28,082 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:26:28,082 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74f76bdf71c3738c233d01eb08ce8b58505d670fc4e3160975d2636af9c8c625 [2023-11-21 22:26:28,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:28,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:28,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:28,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:28,625 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:28,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2023-11-21 22:26:32,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:32,356 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:32,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/sv-benchmarks/c/float-newlib/float_req_bl_0877.c [2023-11-21 22:26:32,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data/dac05bd9b/307bd1c885674b57a49b020831d1e69b/FLAG34206a14f [2023-11-21 22:26:32,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/data/dac05bd9b/307bd1c885674b57a49b020831d1e69b [2023-11-21 22:26:32,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:32,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:32,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:32,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:32,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:32,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:32" (1/1) ... [2023-11-21 22:26:32,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715c1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:32, skipping insertion in model container [2023-11-21 22:26:32,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:32" (1/1) ... [2023-11-21 22:26:32,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:32,948 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2023-11-21 22:26:32,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:32,970 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:33,121 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/sv-benchmarks/c/float-newlib/float_req_bl_0877.c[14284,14297] [2023-11-21 22:26:33,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:33,153 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:33,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33 WrapperNode [2023-11-21 22:26:33,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:33,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:33,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:33,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:33,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,282 INFO L138 Inliner]: procedures = 27, calls = 197, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 751 [2023-11-21 22:26:33,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:33,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:33,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:33,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:33,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,310 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,366 INFO L187 HeapSplitter]: Split 86 memory accesses to 40 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] [2023-11-21 22:26:33,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:26:33,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:26:33,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:26:33,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:26:33,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:33,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:33,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:26:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:26:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:26:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 22:26:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-21 22:26:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-21 22:26:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-21 22:26:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-21 22:26:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-21 22:26:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-21 22:26:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-21 22:26:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-21 22:26:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-21 22:26:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-21 22:26:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-21 22:26:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-21 22:26:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-21 22:26:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-21 22:26:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-21 22:26:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-11-21 22:26:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-11-21 22:26:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2023-11-21 22:26:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2023-11-21 22:26:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2023-11-21 22:26:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2023-11-21 22:26:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2023-11-21 22:26:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2023-11-21 22:26:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2023-11-21 22:26:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2023-11-21 22:26:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2023-11-21 22:26:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2023-11-21 22:26:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2023-11-21 22:26:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2023-11-21 22:26:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2023-11-21 22:26:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2023-11-21 22:26:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2023-11-21 22:26:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2023-11-21 22:26:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2023-11-21 22:26:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2023-11-21 22:26:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2023-11-21 22:26:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2023-11-21 22:26:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#39 [2023-11-21 22:26:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:26:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-21 22:26:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-21 22:26:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-21 22:26:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-21 22:26:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-21 22:26:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-21 22:26:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-21 22:26:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-21 22:26:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-11-21 22:26:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-11-21 22:26:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-11-21 22:26:33,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:26:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-11-21 22:26:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-11-21 22:26:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2023-11-21 22:26:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2023-11-21 22:26:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2023-11-21 22:26:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2023-11-21 22:26:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2023-11-21 22:26:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2023-11-21 22:26:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19 [2023-11-21 22:26:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#20 [2023-11-21 22:26:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#21 [2023-11-21 22:26:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#22 [2023-11-21 22:26:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#23 [2023-11-21 22:26:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#24 [2023-11-21 22:26:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#25 [2023-11-21 22:26:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#26 [2023-11-21 22:26:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#27 [2023-11-21 22:26:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#28 [2023-11-21 22:26:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#29 [2023-11-21 22:26:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#30 [2023-11-21 22:26:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#31 [2023-11-21 22:26:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#32 [2023-11-21 22:26:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#33 [2023-11-21 22:26:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#34 [2023-11-21 22:26:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#35 [2023-11-21 22:26:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#36 [2023-11-21 22:26:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#37 [2023-11-21 22:26:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#38 [2023-11-21 22:26:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#39 [2023-11-21 22:26:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-11-21 22:26:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-11-21 22:26:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-21 22:26:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-21 22:26:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-21 22:26:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-21 22:26:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-21 22:26:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-21 22:26:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-21 22:26:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-21 22:26:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-21 22:26:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-21 22:26:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-21 22:26:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-21 22:26:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-21 22:26:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-21 22:26:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-21 22:26:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-21 22:26:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-21 22:26:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-11-21 22:26:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-11-21 22:26:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2023-11-21 22:26:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2023-11-21 22:26:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2023-11-21 22:26:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2023-11-21 22:26:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2023-11-21 22:26:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2023-11-21 22:26:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2023-11-21 22:26:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2023-11-21 22:26:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2023-11-21 22:26:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2023-11-21 22:26:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2023-11-21 22:26:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2023-11-21 22:26:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2023-11-21 22:26:33,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2023-11-21 22:26:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2023-11-21 22:26:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2023-11-21 22:26:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2023-11-21 22:26:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2023-11-21 22:26:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2023-11-21 22:26:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2023-11-21 22:26:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#39 [2023-11-21 22:26:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-21 22:26:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-21 22:26:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-21 22:26:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-21 22:26:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-21 22:26:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-21 22:26:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-21 22:26:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-21 22:26:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-11-21 22:26:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-11-21 22:26:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-11-21 22:26:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-11-21 22:26:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-11-21 22:26:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2023-11-21 22:26:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2023-11-21 22:26:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2023-11-21 22:26:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2023-11-21 22:26:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2023-11-21 22:26:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2023-11-21 22:26:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19 [2023-11-21 22:26:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#20 [2023-11-21 22:26:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#21 [2023-11-21 22:26:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#22 [2023-11-21 22:26:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#23 [2023-11-21 22:26:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#24 [2023-11-21 22:26:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#25 [2023-11-21 22:26:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#26 [2023-11-21 22:26:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#27 [2023-11-21 22:26:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#28 [2023-11-21 22:26:33,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#29 [2023-11-21 22:26:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#30 [2023-11-21 22:26:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#31 [2023-11-21 22:26:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#32 [2023-11-21 22:26:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#33 [2023-11-21 22:26:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#34 [2023-11-21 22:26:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#35 [2023-11-21 22:26:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#36 [2023-11-21 22:26:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#37 [2023-11-21 22:26:33,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#38 [2023-11-21 22:26:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#39 [2023-11-21 22:26:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-11-21 22:26:33,721 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-11-21 22:26:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-21 22:26:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-21 22:26:33,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-21 22:26:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-21 22:26:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-21 22:26:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-21 22:26:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-21 22:26:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-11-21 22:26:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-11-21 22:26:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-11-21 22:26:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-11-21 22:26:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-11-21 22:26:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-11-21 22:26:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2023-11-21 22:26:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2023-11-21 22:26:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2023-11-21 22:26:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2023-11-21 22:26:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2023-11-21 22:26:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2023-11-21 22:26:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19 [2023-11-21 22:26:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#20 [2023-11-21 22:26:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#21 [2023-11-21 22:26:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#22 [2023-11-21 22:26:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#23 [2023-11-21 22:26:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#24 [2023-11-21 22:26:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#25 [2023-11-21 22:26:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#26 [2023-11-21 22:26:33,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#27 [2023-11-21 22:26:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#28 [2023-11-21 22:26:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#29 [2023-11-21 22:26:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#30 [2023-11-21 22:26:33,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#31 [2023-11-21 22:26:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#32 [2023-11-21 22:26:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#33 [2023-11-21 22:26:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#34 [2023-11-21 22:26:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#35 [2023-11-21 22:26:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#36 [2023-11-21 22:26:33,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#37 [2023-11-21 22:26:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#38 [2023-11-21 22:26:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#39 [2023-11-21 22:26:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:26:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:26:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-21 22:26:33,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-21 22:26:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-21 22:26:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-21 22:26:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-21 22:26:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-21 22:26:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-21 22:26:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-21 22:26:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-21 22:26:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-21 22:26:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-21 22:26:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-21 22:26:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-21 22:26:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-21 22:26:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-21 22:26:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-21 22:26:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-21 22:26:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-11-21 22:26:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-11-21 22:26:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2023-11-21 22:26:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2023-11-21 22:26:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2023-11-21 22:26:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2023-11-21 22:26:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2023-11-21 22:26:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2023-11-21 22:26:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2023-11-21 22:26:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2023-11-21 22:26:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2023-11-21 22:26:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2023-11-21 22:26:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2023-11-21 22:26:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2023-11-21 22:26:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2023-11-21 22:26:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2023-11-21 22:26:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2023-11-21 22:26:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2023-11-21 22:26:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2023-11-21 22:26:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2023-11-21 22:26:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2023-11-21 22:26:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2023-11-21 22:26:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#39 [2023-11-21 22:26:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:26:34,174 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:26:34,177 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:26:57,927 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:58,127 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:58,128 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 22:26:58,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:58 BoogieIcfgContainer [2023-11-21 22:26:58,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:58,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:58,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:58,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:58,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:26:32" (1/3) ... [2023-11-21 22:26:58,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e220e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:58, skipping insertion in model container [2023-11-21 22:26:58,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (2/3) ... [2023-11-21 22:26:58,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e220e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:58, skipping insertion in model container [2023-11-21 22:26:58,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:58" (3/3) ... [2023-11-21 22:26:58,139 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0877.c [2023-11-21 22:26:58,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:58,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:26:58,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:58,221 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@216f2d01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:58,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:26:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 149 states have (on average 1.7315436241610738) internal successors, (258), 150 states have internal predecessors, (258), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:26:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 22:26:58,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:58,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:26:58,243 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:26:58,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:58,249 INFO L85 PathProgramCache]: Analyzing trace with hash 572242049, now seen corresponding path program 1 times [2023-11-21 22:26:58,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:26:58,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277534761] [2023-11-21 22:26:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:58,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:26:58,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:26:58,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:26:58,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:26:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:59,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 22:26:59,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:26:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:26:59,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:26:59,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:26:59,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277534761] [2023-11-21 22:26:59,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277534761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:26:59,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:26:59,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:26:59,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252406947] [2023-11-21 22:26:59,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:26:59,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:26:59,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:26:59,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:26:59,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:26:59,532 INFO L87 Difference]: Start difference. First operand has 158 states, 149 states have (on average 1.7315436241610738) internal successors, (258), 150 states have internal predecessors, (258), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:00,583 INFO L93 Difference]: Finished difference Result 314 states and 538 transitions. [2023-11-21 22:27:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:27:00,586 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-21 22:27:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:00,595 INFO L225 Difference]: With dead ends: 314 [2023-11-21 22:27:00,595 INFO L226 Difference]: Without dead ends: 155 [2023-11-21 22:27:00,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:27:00,603 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:00,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:27:00,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-21 22:27:00,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2023-11-21 22:27:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 147 states have (on average 1.2448979591836735) internal successors, (183), 147 states have internal predecessors, (183), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:27:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 193 transitions. [2023-11-21 22:27:00,654 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 193 transitions. Word has length 17 [2023-11-21 22:27:00,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:00,655 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 193 transitions. [2023-11-21 22:27:00,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-11-21 22:27:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 22:27:00,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:00,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:00,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:27:00,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:00,873 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:00,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:00,874 INFO L85 PathProgramCache]: Analyzing trace with hash -168935605, now seen corresponding path program 1 times [2023-11-21 22:27:00,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:00,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990845405] [2023-11-21 22:27:00,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:00,875 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:00,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:00,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:27:00,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-21 22:27:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:02,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:27:02,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:02,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:27:02,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-11-21 22:27:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:27:03,262 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:27:03,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:27:03,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990845405] [2023-11-21 22:27:03,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990845405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:03,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:03,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:27:03,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496742620] [2023-11-21 22:27:03,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:03,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:27:03,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:27:03,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:27:03,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:27:03,266 INFO L87 Difference]: Start difference. First operand 155 states and 193 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:04,515 INFO L93 Difference]: Finished difference Result 169 states and 205 transitions. [2023-11-21 22:27:04,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:27:04,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-21 22:27:04,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:04,518 INFO L225 Difference]: With dead ends: 169 [2023-11-21 22:27:04,518 INFO L226 Difference]: Without dead ends: 25 [2023-11-21 22:27:04,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:27:04,521 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:04,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 59 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-21 22:27:04,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-21 22:27:04,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-21 22:27:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-11-21 22:27:04,527 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2023-11-21 22:27:04,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:04,528 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2023-11-21 22:27:04,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:04,528 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-11-21 22:27:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 22:27:04,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:04,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:04,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:27:04,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:04,741 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:04,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:04,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1222221351, now seen corresponding path program 1 times [2023-11-21 22:27:04,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:04,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237956973] [2023-11-21 22:27:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:04,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:04,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:04,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:27:04,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-21 22:27:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:05,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 22:27:05,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:27:09,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:27:09,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:27:09,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237956973] [2023-11-21 22:27:09,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237956973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:09,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:09,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:27:09,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911366093] [2023-11-21 22:27:09,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:09,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-21 22:27:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:27:09,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-21 22:27:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:27:09,521 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 12 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:15,048 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2023-11-21 22:27:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:27:15,049 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-21 22:27:15,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:15,050 INFO L225 Difference]: With dead ends: 32 [2023-11-21 22:27:15,051 INFO L226 Difference]: Without dead ends: 25 [2023-11-21 22:27:15,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2023-11-21 22:27:15,059 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 41 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:15,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 88 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-21 22:27:15,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-21 22:27:15,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-21 22:27:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2023-11-21 22:27:15,074 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 23 [2023-11-21 22:27:15,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:15,074 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2023-11-21 22:27:15,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2023-11-21 22:27:15,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 22:27:15,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:15,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:15,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:27:15,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:15,285 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:15,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:15,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1934275032, now seen corresponding path program 1 times [2023-11-21 22:27:15,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:15,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018646760] [2023-11-21 22:27:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:15,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:15,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:27:15,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8784de4b-8cc8-47db-bbfa-966de864bf7f/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-21 22:27:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:16,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 22:27:16,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:16,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:27:16,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13